rubocop_rspec: fix includes.
rubocop_rspec: fix includes.

Otherwise taps with specs don't get their style fixed.

Homebrew/brew,konqui/brew,mahori/brew,nandub/brew,konqui/brew,nandub/brew,mahori/brew,MikeMcQuaid/brew,reitermarkus/brew,claui/brew,Homebrew/brew,JCount/brew,EricFromCanada/brew,EricFromCanada/brew,JCount/brew,MikeMcQuaid/brew,sjackman/homebrew,reitermarkus/brew,MikeMcQuaid/brew,claui/brew,claui/brew,claui/brew,sjackman/homebrew,mahori/brew,JCount/brew,vitorgalvao/brew,sjackman/homebrew,MikeMcQuaid/brew,EricFromCanada/brew,konqui/brew,EricFromCanada/brew,Homebrew/brew,nandub/brew,konqui/brew,mahori/brew,nandub/brew,Homebrew/brew,JCount/brew,sjackman/homebrew,reitermarkus/brew,vitorgalvao/brew,vitorgalvao/brew,vitorgalvao/brew,reitermarkus/brew